How to Use a Dichotomous

Key

Norns belong to the genus Norno and can be divided into eight species that are generally located in specific regions of the world. Use the dichotomous key to identify the Norns. Write their complete scientific name (genus

+ species).

1. Has pointed ears ...........................................go to 3Has rounded ears ..........................................go to 2

2. Has no tail .....................................................KentuckyusHas tail ..........................................................Dakotus

3. Ears point upward .........................................go to 5Ears point downward ....................................go to 4

4. Engages in waving behavior .........................DallusHas hairy tufts on ears ..................................Californius

5. Engages in waving behavior .........................WalaWala Does not engage in waving behavior ............go to 6

6. Has hair on head ..........................................Beverlus Has no hair on head (may have ear tufts) ....go to 7

7. Has a tail ......................................................YorkioHas no tail, aggressive .................................Rajus

Dichotomous Key

Norno beverlus

Norno dallus

Norno kentuckyus

Norno californius

Norno rajus

Norno walawala

Norno dakotus

Norno yorkio